Elasticsearch is the more common of the two in our index: it runs on 181 websites against 24 for Unbxd. Counts come from real scans, not vendor claims.
Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents.
Unbxd is an ecommerce product discovery platform that applies artificial intelligence and advanced data sciences to connect shoppers to the products they are most likely to buy.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.